DE60211362T2 - METHOD FOR PRODUCING GEAR WHEELS FROM POWDER METAL - Google Patents
METHOD FOR PRODUCING GEAR WHEELS FROM POWDER METAL Download PDFInfo
- Publication number
- DE60211362T2 DE60211362T2 DE60211362T DE60211362T DE60211362T2 DE 60211362 T2 DE60211362 T2 DE 60211362T2 DE 60211362 T DE60211362 T DE 60211362T DE 60211362 T DE60211362 T DE 60211362T DE 60211362 T2 DE60211362 T2 DE 60211362T2
- Authority
- DE
- Germany
- Prior art keywords
- gear
- tool
- teeth
- axis
- gear blank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
- B23F21/005—Tools specially adapted for use in machines for manufacturing gear teeth with plural tools on a common axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H5/00—Making gear wheels, racks, spline shafts or worms
- B21H5/02—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls
- B21H5/022—Finishing gear teeth with cylindrical outline, e.g. burnishing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
- B23F21/12—Milling tools
- B23F21/16—Hobs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
- B22F3/164—Partial deformation or calibration
- B22F2003/166—Surface calibration, blasting, burnishing, sizing, coining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Gears, Cams (AREA)
- Powder Metallurgy (AREA)
Description
Hintergrund der ErfindungBackground of the invention
1. Technisches Gebiet1. Technical area
Diese Erfindung bezieht sich allgemein auf ein Verfahren zur Herstellung von Zahnrädern aus Pulvermetall nach dem Oberbegriff des Anspruchs 1. Ein solches Verfahren ist im nächstliegenden Stand der Technik, der US-4,708,912, offenbart.These This invention relates generally to a method of manufacture of gears made of powder metal according to the preamble of claim 1. Such Procedure is in nearest Prior Art, U.S. 4,708,912.
2. Stand der Technik2. Stand the technology
Das US-Patent 4,708,912 beschreibt ein Verfahren zur Herstellung von Zahnrädern aus Pulvermetall, bei dem ein Sintermetall-Zahnradrohling in einer Walzmaschine zur Drehung um eine erste Achse zwischen einer Gruppe benachbarter, Zähne aufweisender Walzwerkzeuge montiert ist, die jeweils zur Drehung um zweite und dritte Achsen montiert sind, welche parallel zur ersten Achse des Zahnradrohlings verlaufen. Die Verdichtung erfolgt durch Verschieben des Zahnradrohling-Materials durch die Zähne der Walzwerkzeuge. Der Zahnradrohling kann mit vorgeformten Zähnen versehen sein, die anschließend durch die Walzwerkzeuge verdichtet werden.The U.S. Patent 4,708,912 describes a process for the preparation of gears made of powder metal, in which a sintered metal gear blank in a Rolling machine for rotation about a first axis between a group adjacent, teeth having mounted rolling tools, each for rotation mounted around second and third axes which are parallel to the first Axle of the gear blank run. The compression is done by moving of the gear blank material through the teeth of the rolling tools. Of the Gear blank may be provided with pre-formed teeth, which then by the rolling tools are compacted.
Das US-Patent 5,711,187 offenbart ein Verfahren zum Verdichten von Zahnrädern aus Pulvermetall, bei dem ein Zahnradrohling aus Pulvermetall zur Verdrehung um eine erste Achse benachbart einem mit Zähnen versehenen Walzwerkzeug angebracht wird, welches zur Drehung um eine zweite Achse, parallel zur ersten Achse, montiert ist. Der Rohling und das Werkzeug werden relativ zueinander bewegt, um das Material der Zahnradzähne zu verschieben und zu verdichten. Wie die Zähne des Zahnradrohlings zur anschließenden Verdichtung vorgeformt werden, ist nicht offenbart.The US Patent 5,711,187 discloses a method of compacting gears Powder metal in which a gear blank made of powder metal for twisting about a first axis adjacent a toothed rolling tool is mounted, which for rotation about a second axis, parallel to the first axis, is mounted. The blank and the tool will be moved relative to each other to move the material of the gear teeth and condense. Like the teeth the gear blank preformed for subsequent compression is not revealed.
Es ist ein Ziel der vorliegenden Erfindung, die Herstellung von Zahnrädern aus Pulvermetall, die verdichtete Zahnradzähne aufweisen, zu vereinfachen. Dieses Ziel wird mit den Merkmalen des Anspruchs 1 erreicht.It It is an object of the present invention to provide gears Powder metal having compacted gear teeth to simplify. This object is achieved with the features of claim 1.
Zusammenfassung und Vorteile der ErfindungSummary and advantages of the invention
Ein Verfahren zur Herstellung eines Zahnrades aus Pulvermetall gemäß einer derzeit bevorzugten Ausführungsform der Erfindung umfaßt das Verdichten und Sintern von Pulvermetall zur Bildung eines Zahnradrohlings, der dann zur Verdrehung um eine erste Achse gelagert wird. Ein Werkzeug ist zur Verdrehung um eine quer zur ersten Achse des Zahnradrohlings verlaufende zweite Achse gelagert. Das Werkzeug weist eine Reihe von Zahnradzahn-Schneideabschnitten und eine Gruppe axial benachbarter Zahnradzahn-Oberflächenverdichtungsabschnitte auf. Das Werkzeug wird um die zweite Achse angetrieben, und die Zahnradzahn-Schneideabschnitte werden mit dem Zahnradrohling in Eingriff gebracht, wodurch Zähne durch Entfernen von Zahnradrohling-Material in den Pulvermetall-Zahnradrohling geschnitten werden, um einen gezahnten Zahnradrohling herzustellen. Ohne Demontage des Werkzeugs oder des gezahnten Zahnradrohlings werden das Werkzeug und der gezahnte Zahnradrohling relativ zueinander verschoben, um die Zahnradzahn-Oberflächenverdichtungsabschnitte des Werkzeugs in kämmenden Eingriff mit den Zähnen des gezahnten Zahnradrohlings zu bringen, und das Werkzeug wird um die zweite Achse angetrieben, um die Oberfläche der Zahnradzähne zu verschieben und zu verdichten.One Process for producing a gear of powder metal according to a currently preferred embodiment of the invention compacting and sintering powder metal to form a gear blank, which is then stored for rotation about a first axis. A tool is for rotation about a transverse to the first axis of the gear blank extending second axis stored. The tool has a row gear tooth cutting portions and an axially adjacent group Gear tooth surface densification portions on. The tool is driven around the second axis, and the Gear tooth cutting sections are connected to the gear blank in Engaged, causing teeth by cutting gear blank material into the powder metal gear blank to make a toothed gear blank. Without disassembly of the tool or toothed gear blank become the tool and the toothed gear blank is displaced relative to each other the gear tooth surface compacting sections of the tool in combing Engaging the teeth of the To bring toothed gear blanks, and the tool will be around the second axis driven to move the surface of the gear teeth and to condense.
Die Erfindung hat den Vorteil, daß sie ein einfaches Verfahren zur Herstellung von Zahnradzähnen aus Pulvermetall bereitstellt.The Invention has the advantage that it a simple method for producing gear teeth Powder metal provides.
Die Erfindung hat den weiteren Vorteil, daß sie ein Verfahren zum Ausbilden von Zahnradzähnen aus Pulvermetall mit hoher Präzision und Wiederholbarkeit bereitstellt, da sowohl die Schneid- als auch die Verdichtungsmerkmale an dem Werkzeug vorgesehen sind, und ihre Position und Bewegung erfindungsgemäß so gesteuert werden, daß sie auf den Zahnradrohling übertragen werden, ohne die feste Beziehung Werkzeug-Zahnradrohling zu stören. Mit anderen Worten, durch Kombinieren der Schneid- und Verdichtungsschritte in einem einzigen Vorgang unter Verwendung des Werkzeugs, das sowohl Schneid- als auch Verdichtungsmerkmale aufweist, wird eine bessere Kontrolle über die abmessungsbezogenen und physikalischen Eigenschaften des erhaltenen, verdichteten Pulvermetall-Zahnrads erreicht.The The invention has the further advantage of providing a method of forming from gear teeth Powder metal with high precision and reproducibility, since both the cutting and the Compression features are provided on the tool, and their position and movement controlled according to the invention they will transferred to the gear blank Be without disturbing the solid relationship tool gear blank. With others Words, by combining the cutting and compaction steps in a single operation using the tool that has both cutting and As well as compaction features, better control over the dimensional and physical properties of the obtained, achieved compacted powder metal gear.
Die ZeichnungenThe painting
Diese und andere Merkmale und Vorteile der vorliegenden Erfindung lassen sich noch besser würdigen, wenn sie im Zusammenhang mit der folgenden detaillierten Beschreibung und den beigefügten Zeichnungen betrachtet werden. Es zeigen:These and other features and advantages of the present invention to appreciate yourself even better, when related to the following detailed description and the accompanying drawings to be viewed as. Show it:
Detaillierte Beschreibungdetailed description
Zunächst sei
auf die
Das
Formgebungswerkzeug
Die
Zahnradzahn-Verdichtungsabschnitte
Das
Werkstück
Sobald
die Zahnradzähne
Die
Spindel
Der
zwangsläufige
Antrieb des Werkzeugs
Offensichtlich sind angesichts der obigen Ausführungen zahlreiche Modifikationen und Variationen der vorliegenden Erfindung möglich. Es versteht sich daher, daß die Erfindung innerhalb des Schutzbereichs der beigefügten Ansprüche anders als spezifisch beschrieben ausgeführt werden kann. Die Erfindung ist durch die Ansprüche definiert.Obviously are in the light of the above Numerous modifications and variations of the present invention possible. It is therefore understood that the Within the scope of the appended claims, other than specifically described can be. The invention is defined by the claims.
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US965710 | 2001-09-26 | ||
US09/965,710 US6517772B1 (en) | 2001-09-26 | 2001-09-26 | Apparatus and method for forming powder metal gears |
PCT/US2002/028949 WO2003026818A1 (en) | 2001-09-26 | 2002-09-11 | Apparatus and method for forming powder metal gears |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60211362D1 DE60211362D1 (en) | 2006-06-14 |
DE60211362T2 true DE60211362T2 (en) | 2007-05-24 |
Family
ID=25510371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60211362T Expired - Lifetime DE60211362T2 (en) | 2001-09-26 | 2002-09-11 | METHOD FOR PRODUCING GEAR WHEELS FROM POWDER METAL |
Country Status (8)
Country | Link |
---|---|
US (1) | US6517772B1 (en) |
EP (1) | EP1438153B1 (en) |
JP (1) | JP4409943B2 (en) |
CA (1) | CA2461119A1 (en) |
DE (1) | DE60211362T2 (en) |
ES (1) | ES2261733T3 (en) |
MX (1) | MXPA04002812A (en) |
WO (1) | WO2003026818A1 (en) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005344126A (en) * | 2002-10-04 | 2005-12-15 | Hitachi Powdered Metals Co Ltd | Sintered gear |
US7025928B2 (en) * | 2003-07-24 | 2006-04-11 | The Gates Corporation | Method of flow forming a metal part |
US7025929B2 (en) * | 2004-04-08 | 2006-04-11 | Pmg Ohio Corp. | Method and apparatus for densifying powder metal gears |
DE102004057596B4 (en) * | 2004-04-22 | 2009-06-04 | Reishauer Ag | Profiling gear and method for profiling a grinding worm |
DE102004038681B4 (en) | 2004-08-10 | 2017-06-01 | Schaeffler Technologies AG & Co. KG | Electromotive camshaft adjuster |
US20060174464A1 (en) * | 2005-02-04 | 2006-08-10 | Fitzgerald Brian M | Multiple operation gear manufacturing apparatus with common work axis |
US20090060672A1 (en) * | 2005-02-04 | 2009-03-05 | Fitzgerald Brian M | Multiple Operation Gear Manufacturing Apparatus With Common Work Axis |
DE102005027049A1 (en) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Resilient gearing |
DE102005027137A1 (en) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Gearing made of sintered material |
DE102005027144A1 (en) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Surface compaction of a toothing |
DE102005027048A1 (en) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Sintered tooth element with locally selective surface compaction |
DE102005027050B4 (en) * | 2005-06-10 | 2021-12-30 | Gkn Sinter Metals Gmbh | Motor vehicle component with toothing |
DE102005027054A1 (en) * | 2005-06-10 | 2006-12-28 | Gkn Sinter Metals Gmbh | Workpiece with different texture |
CN102369332B (en) | 2008-12-31 | 2014-07-02 | 奥马尔·F·希门尼斯 | Flexible joint arrangement incorporating flexure members |
US8628577B1 (en) | 2009-03-19 | 2014-01-14 | Ex Technology, Llc | Stable device for intervertebral distraction and fusion |
ES2653567T3 (en) * | 2009-07-22 | 2018-02-07 | Spinex Tec, Llc | Coaxial Screw Gear Sleeve Mechanism |
AT508990B1 (en) | 2009-11-10 | 2012-04-15 | Miba Sinter Austria Gmbh | ROLLING TOOL |
US20110126654A1 (en) * | 2009-12-02 | 2011-06-02 | Gm Global Technology Operations, Inc. | Bevel and hypoid gear and method of manufacture |
US8636746B2 (en) | 2009-12-31 | 2014-01-28 | Spinex Tec, Llc | Methods and apparatus for insertion of vertebral body distraction and fusion devices |
US9556947B2 (en) * | 2010-03-05 | 2017-01-31 | Cornell University | Bidirectional gear, method, and applications |
EP2792442B1 (en) * | 2013-04-17 | 2018-08-22 | Klingelnberg AG | Skiving tool for skiving teeth on a face gear |
AT514778B1 (en) | 2013-09-05 | 2016-02-15 | Miba Sinter Austria Gmbh | calibration |
CN103706889A (en) * | 2013-12-31 | 2014-04-09 | 苏州亚太金属有限公司 | Rough and finish machining integrated hobbing cutter |
CN103878443B (en) * | 2014-03-28 | 2016-08-31 | 宜昌长机科技有限责任公司 | A kind of lathe processing gear shaver chip pocket |
US9486328B2 (en) | 2014-04-01 | 2016-11-08 | Ex Technology, Llc | Expandable intervertebral cage |
US8940049B1 (en) | 2014-04-01 | 2015-01-27 | Ex Technology, Llc | Expandable intervertebral cage |
CN104084722B (en) * | 2014-06-26 | 2015-08-19 | 东莞市俊知自动机械有限公司 | Circular cutter carrying gathering device |
AT516779B1 (en) | 2015-01-23 | 2017-04-15 | Miba Sinter Austria Gmbh | Method for producing a crown on a sintered component |
US10315254B2 (en) * | 2015-02-23 | 2019-06-11 | Ford Motor Company | Method of machining dissimilar materials |
JP6565399B2 (en) * | 2015-07-09 | 2019-08-28 | 株式会社ジェイテクト | Gear processing equipment |
US11497622B2 (en) | 2019-03-05 | 2022-11-15 | Ex Technology, Llc | Transversely expandable minimally invasive intervertebral cage and insertion and extraction device |
US11234835B2 (en) | 2019-03-05 | 2022-02-01 | Octagon Spine Llc | Transversely expandable minimally invasive intervertebral cage |
DE112020001074T5 (en) * | 2019-03-05 | 2021-12-23 | Sumitomo Electric Industries, Ltd. | Process for the production of a sintered part |
US12011365B2 (en) | 2022-07-18 | 2024-06-18 | Octagon Spine Llc | Transversely expandable minimally invasive inter vertebral cage |
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US1847848A (en) | 1927-07-26 | 1932-03-01 | Columbia Axle Company | Method of making worm gears |
US2207438A (en) | 1932-01-26 | 1940-07-09 | Fellows Gear Shaper Co | Gear finishing apparatus |
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JPS61168421A (en) * | 1985-01-19 | 1986-07-30 | Mitsubishi Heavy Ind Ltd | Shaving cutter |
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-
2001
- 2001-09-26 US US09/965,710 patent/US6517772B1/en not_active Expired - Fee Related
-
2002
- 2002-09-11 ES ES02770502T patent/ES2261733T3/en not_active Expired - Lifetime
- 2002-09-11 WO PCT/US2002/028949 patent/WO2003026818A1/en active IP Right Grant
- 2002-09-11 CA CA002461119A patent/CA2461119A1/en not_active Abandoned
- 2002-09-11 MX MXPA04002812A patent/MXPA04002812A/en active IP Right Grant
- 2002-09-11 DE DE60211362T patent/DE60211362T2/en not_active Expired - Lifetime
- 2002-09-11 EP EP02770502A patent/EP1438153B1/en not_active Expired - Lifetime
- 2002-09-11 JP JP2003530442A patent/JP4409943B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1438153A4 (en) | 2004-10-27 |
WO2003026818A1 (en) | 2003-04-03 |
US6517772B1 (en) | 2003-02-11 |
EP1438153A1 (en) | 2004-07-21 |
CA2461119A1 (en) | 2003-04-03 |
ES2261733T3 (en) | 2006-11-16 |
DE60211362D1 (en) | 2006-06-14 |
MXPA04002812A (en) | 2004-07-05 |
JP4409943B2 (en) | 2010-02-03 |
EP1438153B1 (en) | 2006-05-10 |
JP2005503486A (en) | 2005-02-03 |
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Legal Events
Date | Code | Title | Description |
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8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PMG INDIANA CORP., COLUMBUS, IND., US |